US11013125B2 - Method for producing plated component, plated component, catalytic activity inhibitor and composite material for electroless plating - Google Patents

Method for producing plated component, plated component, catalytic activity inhibitor and composite material for electroless plating Download PDF

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Publication number
US11013125B2
US11013125B2 US16/122,404 US201816122404A US11013125B2 US 11013125 B2 US11013125 B2 US 11013125B2 US 201816122404 A US201816122404 A US 201816122404A US 11013125 B2 US11013125 B2 US 11013125B2
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base member
polymer
experiment
electroless
plating
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US20190008051A1 (en
Inventor
Naoki Usuki
Akiko KITO
Atsushi Yusa
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Maxell Ltd
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Maxell Holdings Ltd
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Assigned to MAXELL HOLDINGS, LTD. reassignment MAXELL HOLDINGS, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: YUSA, ATSUSHI, KITO, Akiko, USUKI, NAOKI
Publication of US20190008051A1 publication Critical patent/US20190008051A1/en
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1603—Process or apparatus coating on selected surface areas
    • C23C18/1605—Process or apparatus coating on selected surface areas by masking
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
    • H05K3/181—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating
    • H05K3/182—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating characterised by the patterning method
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
    • C08G83/002—Dendritic macromolecules
    • C08G83/003—Dendrimers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/24—Homopolymers or copolymers of amides or imides
    • C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/02—Polythioethers; Polythioether-ethers
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1603—Process or apparatus coating on selected surface areas
    • C23C18/1607—Process or apparatus coating on selected surface areas by direct patterning
    • C23C18/1608—Process or apparatus coating on selected surface areas by direct patterning from pretreatment step, i.e. selective pre-treatment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1603—Process or apparatus coating on selected surface areas
    • C23C18/1607—Process or apparatus coating on selected surface areas by direct patterning
    • C23C18/1612—Process or apparatus coating on selected surface areas by direct patterning through irradiation means
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1635—Composition of the substrate
    • C23C18/1644—Composition of the substrate porous substrates
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1646—Characteristics of the product obtained
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1655—Process features
    • C23C18/1657—Electroless forming, i.e. substrate removed or destroyed at the end of the process
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
    • C23C18/1862—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by radiant energy
    • C23C18/1868—Radiation, e.g. UV, laser
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
    • C23C18/1872—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
    • C23C18/1886—Multistep pretreatment
    • C23C18/1889—Multistep pretreatment with use of metal first
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
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    • C23C18/1886—Multistep pretreatment
    • C23C18/1893—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
    • C—CHEMISTRY; METALLURGY
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    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
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    • C23C18/2026—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by radiant energy
    • C23C18/204—Radiation, e.g. UV, laser
    • C—CHEMISTRY; METALLURGY
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    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
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    • C23C18/30—Activating or accelerating or sensitising with palladium or other noble metal
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/38—Coating with copper
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
    • H05K3/181—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating
    • H05K3/182—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating characterised by the patterning method
    • H05K3/184—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating characterised by the patterning method using masks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/46—Manufacturing multilayer circuits
    • H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
    • H05K3/4661—Adding a circuit layer by direct wet plating, e.g. electroless plating; insulating materials adapted therefor
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets

Definitions

  • the present invention relates to a method for producing a plated part (plated component) on which a plating film is selectively formed, the plated part (plated component), and a catalytic activity inhibitor.
  • MID Molded Interconnect Device
  • MID Molded Interconnect Device
  • its application range is rapidly expanded.
  • MID it is possible to form the circuit on the surface of the molded product having a small size and a complicated shape. Therefore, MID is in consistency with the trend of compactization (miniaturization) of electronic parts.
  • a small-sized part in which an antenna or the like is formed on a surface of a casing of a smartphone, is mass-produced in China.
  • the application of MID to sensors and lighting parts is also actively investigated in the field of automobile principally in Europe.
  • a large amount of cable harness (wire harness) is used for the automobile. If the cable harness is replaced with MID, it is thereby possible to expect the decrease in the cost by realizing a light weight and reducing the number of assembling steps.
  • a method explained below is suggested, for example, as a method for forming a wiring pattern (electric circuit) on a surface of an insulating base member such as a resin molded product or the like.
  • a metal layer is formed on the entire surface of the base member.
  • the formed metal layer is subjected to the patterning with a photoresist, and then the metal layer of a portion other than the wiring pattern is removed by means of the etching. Accordingly, the wiring pattern can be formed by the metal layer allowed to remain on the surface of the base member.
  • Patent Document 1 Japanese Patent No. 3222660.
  • a laser beam is radiated onto a portion at which it is intended to form the wiring pattern, and thus the base member is roughened.
  • an electroless plating catalyst is applied to the whole of the base member, the electroless plating catalyst strongly adheres to the portion irradiated with the laser beam as compared with the other portions.
  • the electroless plating catalyst remains at only the portion irradiated with the laser beam, and the catalyst having been present at the other portions can be removed with ease.
  • the electroless plating is applied to the base member on which the electroless plating catalyst adheres to only the portion irradiated with the laser beam, and thus a plating film can be formed on only the portion irradiated with the laser beam, i.e., on only the predetermined wiring pattern.
  • a plating film can be formed on only the portion irradiated with the laser beam, i.e., on only the predetermined wiring pattern.
  • Non-Patent Document 1 discloses an LDS (Laser Direct Structuring) method as another method for forming a wiring pattern (electric circuit)
  • Patent Document 2 European Patent No. 1274288
  • a copper complex is kneaded into a thermoplastic resin to perform the injection molding, and the laser drawing is performed on a surface of a molded product containing the copper complex.
  • the copper complex is converted into the metal by being irradiated with the laser beam, the catalytic activity of the electroless copper plating is expressed, and it is possible to plate the portion subjected to the laser drawing.
  • the LDS method makes it possible to produce a three-dimensional circuit formed part (MID) in which a circuit is formed on a surface of an injection-molded product having a complicated shape.
  • MID three-dimensional circuit formed part
  • Patent Document 3 Japanese Patent Application Laid-open No. 2012-136769.
  • Patent Document 3 discloses a method in which a functional group is applied to a surface of a molded product by using a femto-second laser beam having a short wavelength. The surface of the molded product has a polar group, and hence the chemical adhesion strength is expressed with respect to the plating film.
  • the electroless plating catalyst strongly adheres to the portions other than the portion irradiated with the laser beam depending on the type and the surface state of the base member, and the electroless plating catalyst cannot be removed even by performing the washing in some cases.
  • the electroless plating catalyst easily adheres to, for example, a base member which contains a filler that easily causes the adhesion of the electroless plating catalyst, a base member which has a large surface roughness, and a base member which has any void. Therefore, the electroless plating catalyst easily remains thereon even when the washing is performed.
  • the electroless plating catalyst permeates into the inside of the base member in some cases depending on the type of the electroless plating catalyst and the type of the base member. It has been difficult to remove the electroless plating catalyst having permeated into the base member by means of the washing. Then, if the electroless plating is applied to the base member in which the electroless plating catalyst remains at the portions other than the predetermined wiring pattern as described above, then an electroless plating film is generated at the portions other than the wiring pattern as a matter of course, and any problem arises.
  • the LDS method it is necessary to develop an exclusively usable resin. A problem arises such that the cost of the resin material is greatly increased. Then, the resin is colored due to the kneading of the large amount of the copper complex into the resin, and hence it has been difficult to apply the LDS method to transparent resins. Further, when the LDS method is applied, for example, to a sheet-shaped thin-walled molded product, it has been difficult to mass-produce a variety of products in small amounts, because it is necessary to use exclusively usable resins. Further, if it is intended to apply the LDS method to the production of a large-sized part such as a substitute or replacement part for the cable harness of the automobile or the like, the following problem arises.
  • the amount of the exclusively usable resin material to be consumed is increased, and hence the cost is raised. Then, it is necessary to realize a large-sized laser apparatus, which causes a problem in relation to the mass production. Further, the wiring patterns are adjacent to one another on an identical substrate, and hence it is also feared that the insulation performance can not be secured between the wiring patterns.
  • Patent Document 3 it is investigated that the molded product surface is selectively plated without using any special resin material. However, it is difficult to provide any distinct contrast for the surface characteristic of the molded product between the drawn portion and the other portions by means of only the laser drawing. It is considered to be difficult to stably perform the selective plating by means of the method of Patent Document 3. Further, the method of Patent Document 3 requires an expensive short wavelength laser machining machine. This fact prohibits the widespread use of the method.
  • the present teaching solves the problems as described above, which provides a method for producing a plated part wherein the method hardly depends on the type, the shape, and the state of a base member, the method inhibits the formation or generation of any electroless plating film at portions other than a predefined pattern in accordance with a simple and easy production process, and the electroless plating film can be formed at only the predefined pattern.
  • a method for producing a plated part including: forming, on a surface of a base member, a catalyst activity inhibiting layer (catalytic activity inhibiting layer) containing a polymer which has at least one of an amide group and an amino group; irradiating with light or heating a part of the surface of the base member on which the catalyst activity inhibiting layer is formed; applying an electroless plating catalyst to the surface of the base member heated or irradiated with the light; and bringing an electroless plating solution into contact with the surface of the base member to which the electroless plating catalyst is applied, to form an electroless plating film at a light-irradiated portion or a heated portion of the surface.
  • a catalyst activity inhibiting layer catalytic activity inhibiting layer
  • the polymer may be a branched polymer having a side chain.
  • the method for producing the plated part may further include washing the surface of the base member after the part of the surface of the base member is heated or irradiated with the light and before the electroless plating solution is brought into contact with the surface of the base member.
  • the branched polymer may be a dendritic polymer or a hyper-branched polymer. Further, the branched polymer may have a number average molecular weight of 3,000 to 30,000 and may have a weight average molecular weight of 10,000 to 300,000. The side chain of the branched polymer may contain an aromatic ring.
  • the branched polymer may further have a main chain.
  • the main chain of the branched polymer may be an aliphatic.
  • the branched polymer may have a number average molecular weight of 1,000 to 100,000 and may have a weight average molecular weight of 1,000 to 1,000,000.
  • the side chain of the branched polymer may have at least one of the amide group and the amino group.
  • the side chain of the branched polymer may have a group containing sulfur.
  • the group containing sulfur may be a sulfide group or a dithiocarbamate group.
  • the branched polymer may be represented by the following formula (1) or the following formula (3).
  • a 1 is a group containing an aromatic ring
  • a 2 is a group containing sulfur or an amino group
  • R 1 is a single bond or a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms
  • each of R 2 and R 3 is hydrogen or a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms
  • m1 is in a range of 1 to 10
  • n1 is in a range of 5 to 100.
  • R 4 is hydrogen or a group selected from the group consisting of a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a group containing sulfur, an amino group, a carboxyl group, an imide group, and a silane group
  • R 5 is hydrogen or a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms
  • n2 is in a range of 5 to 1,000.
  • the branched polymer may be represented by the formula (1), in the formula (1), A 1 may be a group represented by the following formula (2), A 2 may be a dithiocarbamate group, R 1 may be a single bond, R 2 may be hydrogen, and R 3 may be an isopropyl group.
  • the branched polymer may be represented by the formula (3), in the formula (3), R 4 may be a methyl group or a group represented by the following formula (4), and R 5 may be an isopropyl group.
  • the polymer may have a main chain, and the main chain may have at least one of the amide group and the amino group.
  • the main chain may further have an imide group.
  • the catalyst activity inhibiting layer may be removed from the light-irradiated portion or the heated portion of the surface by heating or irradiating with the light the part of the surface of the base member.
  • the heating or irradiating with the light the part of the surface of the base member may be laser drawing performed on the surface of the base member by use of a laser beam.
  • a plated part including: a base member; a plating film formed on a part of a surface of the base member; and a resin layer which is formed in an area, of the surface of the base member, where the plating film is not formed and which contains a polymer having at least one of an amide group and an amino group.
  • the base member may be a resin or an insulating inorganic material.
  • the plated part may be an electronic part.
  • a catalyst activity inhibitor which inhibits catalyst activity of an electroless plating catalyst, including a polymer which has at least one of an amide group and an amino group.
  • a composite material for electroless plating including: a base member and a resin layer which is formed on a surface of the base member and which contains a polymer having at least one of an amide group and an amino group.
  • FIG. 1 is a flowchart illustrating a method for producing a plated part according to an embodiment.
  • FIGS. 2A to 2C explain the method for producing the plated part according to the embodiment.
  • a catalyst activity inhibiting layer 11 which contains a polymer having at least one of an amide group and an amino group, is formed on a surface of a base member 10 shown in FIG. 2A (Step S 1 in FIG. 1 ).
  • the material of the base member 10 is not specifically limited. However, it is preferable to use an insulator in view of the formation of an electroless plating film on the surface. It is possible to use, for example, thermoplastic resin, thermosetting resin, photocurable resin, ceramics, and glass.
  • the base member 10 to be used in this embodiment is preferably a resin base member made by resin, in view of the easiness of molding.
  • thermoplastic resin it is possible to use polyamides including, for example, nylon 6 (PA6), nylon 66 (PA66), nylon 12 (PA12), nylon 11 (PA11), nylon 6T (PA6T), nylon 9T (PA9T), 10T nylon, 11T nylon, nylon MXD6 (PAMXD6), nylon 9T-6T copolymer, and nylon 6-66 copolymer.
  • polyamides including, for example, nylon 6 (PA6), nylon 66 (PA66), nylon 12 (PA12), nylon 11 (PA11), nylon 6T (PA6T), nylon 9T (PA9T), 10T nylon, 11T nylon, nylon MXD6 (PAMXD6), nylon 9T-6T copolymer, and nylon 6-66 copolymer.
  • the resin other than polyamide it is possible to use, for example, polypropylene, polymethyl methacrylate, polycarbonate, amorphous polyolefin, polyether imide, polyethylene terephthalate, polyether ether ketone, ABS-based resin, polyphenylene sulfide (PPS), polyamide imide, polylactic acid, polycaprolactone, liquid crystal polymer, and cycloolefin polymer.
  • PPS polyphenylene sulfide
  • aromatic nylon such as nylon 6T (PA6T), nylon 9T (PA9T), 10T nylon, 11T nylon, nylon MXD6 (PAMXD6) and the like and copolymers containing them, as the thermoplastic resin which is provided with both of the heat resistance and the moldability.
  • an inorganic filler such as a glass filler, a mineral filler or the like may be charged into the thermoplastic resin as described above.
  • Amodel (product name) produced by Solvay Advanced Polymers for example, Amodel (product name) produced by Solvay Advanced Polymers, Genestar (product name) produced by Kuraray, Vyloamide (product name) produced by Toyobo, and Reny (product name) produced by Mitsubishi Engineering-Plastics Toyobo.
  • a general purpose engineering plastic such as ABS resin, polycarbonate (PC), and polymer alloy of ABS resin and PC (ABS/PC).
  • thermoplastic resin having electrical characteristics suitable for the high-frequency antenna.
  • thermoplastic resin which is commercially available as the black grade, in order that the heat is easily generated by absorbing the laser beam in the laser beam irradiation step as the aftertreatment step. Only one kind of the thermoplastic resin as described above may be used singly, or two or more kinds of the thermoplastic resins may be used in combination.
  • thermosetting resin it is possible to use, for example, silicone resin and epoxy resin.
  • a transparent thermosetting resin it is thereby possible to produce a device (plated part) which is transparent and which has the solder reflow resistance.
  • the photocurable resin it is possible to use, for example, acrylic resin, silicone resin, epoxy resin, and polyimide.
  • the ceramics it is possible to use, for example, alumina, aluminum nitride, lead titanate zirconate (PZT), barium titanate, and silicon wafer.
  • the base member 10 may contain, as a light absorbing agent, a filler such as carbon and the like, and/or a light-absorbing coloring matter such as cyanine compound, phthalocyanine compound, dithiol metal complex, naphthoquinone compound, diimmonium compound, azo compound and the like.
  • the base member 10 which is used in this embodiment, may be a commercially available product.
  • the base member may be produced from a commercially available material by means of the molding or the like.
  • it is also allowable to produce a ceramics base member having a complicated shape in accordance with the powder injection molding method.
  • a resin molded product base member
  • the resin molded product may be a sheet-shaped molded product produced by the extrusion molding.
  • the base member 10 may be shaped with a 3D printer by using a photocurable resin or a thermoplastic resin.
  • a photocurable resin or a thermoplastic resin When the 3D printer is used, it is possible to produce the base member having a complicated shape. It is possible to produce MID having a complicated shape by using this base member.
  • the base member 10 used in this embodiment may be a foamed molded product having foamed cells therein.
  • Using the foamed molded product as the base member 10 can produce lightweight MID having high precision in size.
  • the foamed cells in the foamed molded product may be closed cells or open cells.
  • the foamed molded product can be produced by subjecting a thermoplastic resin to foam molding by use of a chemical foaming agent or a physical foaming agent such as supercritical fluid.
  • the catalyst activity inhibiting layer 11 (hereinafter referred to as an “inhibiting layer” as appropriate) contains the polymer (hereinafter referred to as an “amide group/amino group-containing polymer” as appropriate) having at least one of the amide group and the amino group.
  • the amide group/amino group-containing polymer functions as a catalyst activity inhibitor that prevents (inhibits) or reduces the catalyst activity of an electroless plating catalyst to be applied on the inhibiting layer 11 in the aftertreatment step.
  • the amide group/amino group-containing polymer functioning as the catalyst activity inhibitor can uniformly cover the surface of the base member of different types as a resin layer (catalyst activity inhibiting layer), thus inhibiting an electroless plating reaction at portions in which no plating film formation is desired.
  • the producing method of this embodiment thus has a wide range for selecting the base member.
  • the amide group/amino group-containing polymer may be a polymer having the amide group only, may be a polymer having the amino group only, or a polymer having both the amide group and the amino group.
  • the amide group/amino group-containing polymer may be any polymer, but in view of the inhibition of catalyst activity of the electroless plating catalyst, it is preferable to use the polymer having the amide group or a branched polymer having a side chain.
  • the side chain preferably contains at least one of the amide group and the amino group, more preferably contains the amide group.
  • the amide group and/or amino group form(s) a composite(s) through adsorption, coordination, reaction, or the like with respect to the electroless plating catalyst, which causes the electroless plating catalyst to be trapped by the amide group/amino group-containing polymer.
  • the amide group and/or the amino group in the side chain of the branched polymer has/have a lot of flexibility, and many amide groups and/or amino groups can be contained in a molecule of the branched polymer.
  • multiple amide groups and/or amino groups can efficiently and strongly trap the electroless plating catalyst.
  • the branched polymer functions as a multidentate ligand, multiple amide groups and/or amino groups can be coordinated with the electroless plating catalyst, and thus forming a chelate structure.
  • the electroless plating catalyst trapped as described above can not exhibit the catalyst activity.
  • metal such as palladium is applied, as the electroless plating catalyst, on the inhibiting layer 11 , the amide groups and/or amino groups of the branched polymer trap the palladium in a state of palladium ion.
  • the palladium ion becomes metallic palladium by being reduced by a reducing agent contained in an electroless plating solution, and the metallic palladium exhibits the electroless plating catalyst activity.
  • the palladium ion trapped by the branched polymer is not reduced by the reducing agent contained in the electroless plating solution, and thus can not exhibit the catalyst activity. This inhibits the formation of the electroless plating film on the surface of the base member 10 on which the inhibiting layer 11 is formed. This mechanism, however, is just an assumption, and the present teaching is not limited to this.
  • the amide group in the amide group/amino group-containing polymer is not specifically limited, and may be any of a primary amide group, a secondary amide group, and a tertiary amide group.
  • the amino group in the amide group/amino group-containing polymer is not specifically limited, and may be any of a primary amino group, a secondary amino group, and a tertiary amino group.
  • the polymer may contain one kind of the amide group and/or one kind of the amino group, or may contain two or more kinds of the amide groups and/or two or more kinds of the amino groups.
  • the amide group in the branched polymer may be the secondary amide group, and an isopropyl group is preferably bonded to nitrogen of the amide group in order to efficiently inhibit the catalyst activity of the electroless plating catalyst.
  • the amino group in the branched polymer is preferably the primary amino group (—NH 2 ) or the secondary amino group (—NH—).
  • the side chain of the branched polymer has at least one of the amide group or the amino group. Further, the side chain may have a group containing sulfur. Similar to the amide group and the amino group described above, the group containing sulfur tends to, for example, adsorb the electroless plating catalyst. This facilitates the effect in which the branched polymer inhibits the catalyst activity of the electroless plating catalyst.
  • the group containing sulfur is not specifically limited, and is, for example, sulfide group, dithiocarbamate group, and thiocyanate group. The group containing sulfur is preferably the sulfide group or the dithiocarbamate group.
  • the side chain of the branched polymer may contain only one kind of the group containing sulfur as described above or two or more kinds of the groups containing sulfur.
  • the branched polymer is preferably a dendritic polymer.
  • the dendritic polymer is a polymer having a molecular structure that frequently repeats regular branching.
  • the dendritic polymer is classified into a dendrimer and a hyper-branched polymer.
  • the dendrimer which is a spherical polymer having a diameter of several nanometers, has a dendritic branched structure that is branched regularly and completely with a molecule, which is a nucleus, as a center.
  • the hyper-branched polymer which is a polymer having an uncomplete dendritic branched structure, is different from the dendrimer having the complete dendritic branched structure.
  • the hyper-branched polymer is more inexpensive and relatively easier to be synthesized or composed than the dendrimer.
  • the hyper-branched polymer is thus preferably used as the branched polymer in this embodiment.
  • a portion(s) except for the molecule that is the nucleus of each of the dendrimer and the hyper-branched polymer is/are defined as the side chain(s) of each of the dendrimer and the hyper-branched polymer.
  • Each of the dendrimer and the hyper-branched polymer used in this embodiment thus has at least one of the amide group and the amino group in each side chain, namely, in the portion except for the molecule that is the nucleus.
  • the dendritic polymer which has many side chains having a lot of flexibility, is easily adsorbed to the electroless plating catalyst, thus making it possible to efficiently inhibit the catalyst activity of the electroless plating catalyst.
  • the dendritic polymer to efficiently function as the catalyst activity inhibitor after the dendritic polymer is made to become a thin film. Further, a solution of the dendritic polymer has low viscosity even when the solution has high concentration. The solution is thus capable of forming the inhibiting layer having a uniform thickness on a base member having a complicated shape. Further, since the dendritic polymer has satisfactory heat resistance, the dendritic polymer is suitable for the plated part requiring the solder reflow resistance.
  • the dendritic polymer may contain a functional group having high affinity for the base member. This strengthens an adhesion property between the base member 10 and the inhibiting layer 11 shown in FIGS. 2A to 2C .
  • the functional group having high affinity for the base member can be appropriately selected depending on the type of the base member.
  • the base member is a material having an aromatic ring, such as polyphenylene sulfide and liquid crystal polymer
  • the dendritic polymer preferably contains the aromatic ring.
  • the dendritic polymer preferably contains a silanol group having high affinity for glass.
  • the number average molecular weight is preferably in a range of 3,000 to 30,000, more preferably in a range of 5,000 to 30,000, and the weight average molecular weight is preferably in a range of 10,000 to 300,000, more preferably in a range of 20,000 to 200,000.
  • the number average molecular weight and the weight average molecular weight are smaller than the above ranges, the quantity or amount of the functional group per one molecule may decrease, which may reduce the efficiency as the catalytic activity inhibitor. Meanwhile, the number average molecular weight and the weight average molecular weight may be larger than the above ranges.
  • solubility of the dendritic polymer in the solvent may be unsatisfactory, which may cause a disadvantage in production.
  • the dendritic polymer of this embodiment is preferably a branched polymer represented by the following formula (1).
  • the branched polymer represented by the formula (1) efficiently functions as the catalytic activity inhibitor.
  • a 1 is a group containing an aromatic ring
  • a 2 is a group containing sulfur or an amino group
  • R 1 is a single bond or a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms
  • R 2 and R 3 may be identical with each other or different from each other
  • each of R 2 and R 3 is hydrogen or a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms.
  • Each of R 1 , R 2 , and R 3 may have a straight chain or a branched chain.
  • m1 is in a range of 1 to 10
  • n1 is in a range of 5 to 100.
  • a 1 is preferably a group represented by the following formula (2)
  • a 2 is a preferably a dithiocarbamate group
  • R 1 is preferably a single bond
  • R 2 is preferably hydrogen
  • R 3 is preferably an isopropyl group.
  • the branched polymer of this embodiment may be any other branched polymer than the dendritic polymer.
  • the branched polymer has a main chain in addition to the side chain.
  • the main chain may contain the amide group and/or the amino group, or the side chain may contain the amide group and/or the amino group.
  • the side chain preferably contains the amide group and/or the amino group.
  • the main chain of the branched polymer may contain a functional group having high affinity for the base member. This strengthens the adhesion property between the base member 10 and the inhibiting layer 11 shown in FIGS. 2A to 2C .
  • the main chain preferably has an adhesion-property improving function between the base member 10 and the inhibiting layer 11 by containing the functional group having high affinity for the base member
  • the side chain preferably has a catalyst-activity inhibiting function by containing the amide group and/or the amino group. It is assumed that distinguishing the functions from each other enhances the flexibility of the side chain having the amide group and/or amino group, making it easy for the branched polymer to trap the electroless plating catalyst.
  • the functional group having high affinity for the base member can be appropriately selected depending on the type of the base member.
  • the number average molecular weight is preferably in a range of 1,000 to 100,000, more preferably in a range of 5,000 to 50,000, and the weight average molecular weight is preferably in a range of 1,000 to 1,000,000, more preferably in a range of 5,000 to 200,000.
  • the number average molecular weight and the weight average molecular weight are smaller than the above ranges, the quantity or amount of the functional group per one molecule may decrease, which may reduce the efficiency as the catalytic activity inhibitor. Meanwhile, the number average molecular weight and the weight average molecular weight may be larger than the above ranges.
  • solubility of the branched polymer in the solvent may be unsatisfactory, which may cause a disadvantage in production.
  • the branched polymer having the main chain and the side chain according to this embodiment may be an acrylamide-based resin, preferably a branched polymer represented by the following formula (3).
  • the branched polymer represented by the formula (3) efficiently functions as the catalytic activity inhibitor.
  • R 4 is hydrogen or a group selected from the group consisting of a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a group containing sulfur, an amino group, a carboxyl group, an imide group, and a silane group
  • R 5 is hydrogen or a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms.
  • Each of R 4 and R 5 may have a straight chain or a branched chain.
  • n2 is in a range of 5 to 1,000.
  • R 4 is preferably a methyl group or a group represented by the following formula (4), and R 5 is preferably an isopropyl group.
  • the amide group/amino group-containing polymer used in this embodiment may be any other polymer than the branched polymer, provided that the polymer has the amide group and/or the amino group.
  • the amide group/amino group-containing polymer may be a straight-chain polymer that has no side chain but has the main chain, and the main chain of the straight-chain polymer may have at least one of the amide group and the amino group.
  • the main chain of the amide group/amino group-containing polymer may further have an imide group. Similar to the amide group and amino group described above, the imide group tends to, for example, adsorb the electroless plating catalyst. This facilitates the effect of inhibiting the catalyst activity of the electroless plating catalyst.
  • the polymer having the imide group is exemplified, for example, by polyamideimide.
  • the inhibiting layer 11 may contain, as a light absorbing agent, a filler such as carbon, and/or a light-absorbing coloring matter such as cyanine compound, phthalocyanine compound, dithiol metal complex, naphthoquinone compound, diimmonium compound, and azo compound, in order to easily generate the heat by absorbing the laser beam in the laser beam irradiation step as the aftertreatment step.
  • the light absorbing agent may be dissolved or dispersed in a solvent or the like, which may be applied to a surface of the inhibiting layer 11 . It is preferable that the light absorbing agent is previously contained in the inhibiting layer 11 in view of the simplicity and convenience of the operation.
  • the inhibiting layer 11 may not contain any other polymer than the amide group/amino group-containing polymer, or may contain, together with the amide group/amino group-containing polymer, any other polymer that does not inhibit the catalyst activity. Although the inhibiting layer 11 preferably does not contain any other polymer than the amide group/amino group-containing polymer in view of the catalyst activity inhibition, the inhibiting layer 11 may contain any other polymer to improve other characteristics, such as the adhesion property between the inhibiting layer 11 and the base member 10 . Further, the inhibiting layer 11 may contain, as needed, a publicly known additive such as a surfactant.
  • the amide group/amino group-containing polymer is preferably a main component of the inhibiting layer 11 .
  • the inhibiting layer 11 contains, for example, 30 to 100% by weight of the amide group/amino group-containing polymer, preferably 50 to 100% by weight of the amide group/amino group-containing polymer, more preferably 70 to 100% by weight of the amide group/amino group-containing polymer.
  • the inhibiting layer 11 contains the amide group/amino group-containing polymer in each of the above ranges, the inhibiting layer 11 can satisfactorily inhibit generation or formation of the plating film on the base member 10 .
  • the inhibiting layer 11 is preferably thin so that the inhibiting layer 11 has no influence on physical properties such as heat resistance and electronic properties such as permittivity, of the base member 10 .
  • the thickness of the inhibiting layer 11 is preferably equal to or less than 5,000 nm, more preferably equal to or less than 1,000 nm, further more preferably equal to or less than 300 nm.
  • the thickness of the inhibiting layer 11 is preferably equal to or more than 10 nm, more preferably equal to or more than 30 nm, further more preferably equal to or more than 50 nm.
  • the inhibiting layer 11 is preferably formed in at least an area, of the surface of the base member 10 , which comes into contact with the electroless plating solution in the electroless plating step as the aftertreatment step, more preferably formed on the entire surface of the base member 10 .
  • the method of forming the inhibiting layer 11 on the surface of the base member 10 is not specifically limited.
  • the inhibiting layer 11 may be formed by preparing a polymer solution obtained by dissolving or dispersing the amide group/amino group-containing polymer in a solvent, and then coming the polymer solution into contact with the base member 10 .
  • the method of coming the polymer solution into contact with the base member 10 may be a method of coating the base member 10 with the polymer solution, or a method of immersing the base member 10 in the polymer solution.
  • the method of forming the inhibiting layer 11 includes, for example, dip coating, screen coating, and spray coating. In view of uniformity of the inhibiting layer 11 formed and simplicity and convenience of the operation, the method of immersing the base member 10 in the polymer solution (dip coating) is preferably used.
  • the blending amount of the amide group/amino group-containing polymer in the polymer solution is not specifically limited, and can be appropriately determined in view of the type of the amide group/amino group-containing polymer, the type of the solvent, the molecular weight of the amide group/amino group-containing polymer, the film thickness of the inhibiting layer 11 formed, and the like.
  • the blending amount of the amide group/amino group-containing polymer in the polymer solution is, for example, in a range of 0.01 to 5% by weight, or preferably in a range of 0.1 to 2% by weight.
  • the solvent (medium) used for the polymer solution is not specifically limited, provided that the amide group/amino group-containing polymer can be dissolved or dispersed therein and the solvent does not change the quality of the base member 10 . It is preferably to use, for example, ketones such as methyl ethyl ketone and methyl isobutyl ketone; alcohols such as ethanol, methanol, and isopropyl alcohol; glycol ethers such as dipropylene glycol monomethylether and 2-butoxy ethanol; compounds having an aromatic ring such as toluene and benzene; N-methyl pyrrolidone; cyclohexanone; tetrahydrofuran; and mixtures thereof.
  • ketones such as methyl ethyl ketone and methyl isobutyl ketone
  • alcohols such as ethanol, methanol, and isopropyl alcohol
  • glycol ethers such as dipropylene glycol monomethylether and 2-but
  • the polymer solution may contain, as needed, a publicly known additive such as the light absorbing agent described above, another polymer, and a surfactant.
  • a publicly known additive such as the light absorbing agent described above
  • another polymer such as polyethylene glycol
  • a surfactant such as sodium sulfate
  • the temperature and immersion time of the polymer solution when the base member 10 is immersed in the polymer solution are not specifically limited, and can be appropriately determined in view of the type of the amide group/amino group-containing polymer, the type of the solvent, the molecular weight of the amide group/amino group-containing polymer, the film thickness of the inhibiting layer formed, and the like.
  • the temperature of the polymer solution is, for example, in a range of 0 to 100° C., preferably in a range of 10 to 50° C.
  • the immersion time is, for example, in a range of one second to 10 minutes, preferably in a range of five seconds to two minutes.
  • Step S 1 in FIG. 1 results in a composite material 50 for electroless plating including the base member 10 and the resin layer 11 which is formed on the surface of the base member 10 and contains the amide group/amino group-containing polymer, shown in FIG. 2A .
  • the electroless plating film can be selectively formed at a portion irradiated with the laser beam by subjecting the composite material 50 to electroless plating (Step S 4 ) after performing the laser beam irradiation step (Step S 2 in FIG. 1 ), an electroless-plating-catalyst application step (Step S 3 ), and the like, those of which are described below.
  • the energy application is performed by light irradiation or heating (Step S 2 in FIG. 1 ).
  • the method for radiating the light is not specifically limited, which is exemplified by a method in which a laser beam is radiated onto the surface of the base member 11 in accordance with a predefined pattern (laser drawing) and a method in which a portion to be not irradiated with light is masked, and then the entire surface of the base member 11 is irradiated with light.
  • the light is converted into the heat by irradiating the part of the surface of the base member 10 with the light, and the surface of the base member 10 is heated.
  • the base member 10 contains the light absorbing agent
  • the light which is radiated onto the base member 10
  • the method for heating the surface of the base member 10 without radiating any light onto the surface of the base member 10 is exemplified, for example, by a method in which the surface of the base member 10 is directly thermally pressed with a simple and elementary mold or the like having a pattern formed by protrusions.
  • the selectivity of the heated portion, the easiness of pattern change, and the easiness of making the pattern fine it is preferable to heat the base member 10 by means of the laser drawing.
  • the laser beam can be radiated by using a laser apparatus including, for example, a CO 2 laser, a YVO 4 laser, and a YAG laser.
  • a laser apparatus including, for example, a CO 2 laser, a YVO 4 laser, and a YAG laser.
  • the laser apparatuses as described above can be appropriately selected depending on the type of the amide group/amino group-containing polymer used for the inhibiting layer 11 .
  • the portion irradiated with the laser beam is heated by radiating the laser beam onto the surface of the base member 10 in accordance with the predefined pattern (laser drawing), and the inhibiting layer 11 existing at the heated portion is removed.
  • the phrase “removal of the inhibiting layer 11 ” means, for example, such a situation that the inhibiting layer 11 existing at the heated portion disappears on account of the evaporation.
  • a surface layer portion of the base member 10 may evaporate and disappear together with the inhibiting layer 11 at the inhibiting layer-removed portion 10 a that is the heated portion.
  • the phrase “removal of the inhibiting layer 11 ” includes not only the complete disappearance of the inhibiting layer 11 but also a case in which the inhibiting layer 11 remains to such an extent that no influence is exerted on the progress of the electroless plating treatment to be performed in the aftertreatment step. Even when the inhibiting layer 11 remains, if no influence is exerted on the electroless plating treatment to be performed in the aftertreatment step, then the function to inhibit the catalyst activity of the electroless plating catalyst disappears.
  • the situation, in which the inhibiting layer 11 existing at the heated portion is denatured or modified in quality and the inhibiting layer 11 does not function as the inhibiting layer 11 is also included in the “removal of the inhibiting layer 11 ”.
  • This situation is exemplified, for example, by such a situation in which the amide group and/or the amino group of the amide group/amino group-containing polymer is/are denatured or modified in quality, making it impossible for the amide group/amino group-containing polymer to trap the electroless plating catalyst.
  • the inhibiting layer 11 existing at the heated portion does not disappear completely, and any denatured matter (modified matter) remains.
  • the denatured matter does not inhibit the catalyst activity. Therefore, the portion, at which the inhibiting layer 11 is denatured or modified in quality, also provides the function which is the same as or equivalent to that of the inhibiting layer-removed portion 10 a at which the inhibiting layer 11 disappears.
  • the surface of the base member 10 is preferably washed after the laser beam irradiation.
  • the denatured matter (modified matter) of the inhibiting layer 11 remains at the inhibiting layer-removed portion 10 a due to the laser beam irradiation, the denatured matter (modified matter) may widely fly or scatter over the surface of the base member 10 . This denatured matter (modified matter) does not inhibit the catalyst activity.
  • the plating film is formed or generated at the portion to which the denatured matter (modified matter) adheres, at the time of electroless plating as the aftertreatment step.
  • the denatured matter (modified matter) scattering over the surface of the base member 10 can be removed by washing the surface of the base member 10 after the laser beam irradiation. This inhibits formation of the plating film at portions other than the portion irradiated with the laser beam, improving plating selectivity.
  • the washing of the surface of the base member 10 is preferably performed after the step in which the part of the surface of the base member 10 is heated or irradiated with the light (Step S 2 in FIG. 1 ) and before the step in which the electroless plating solution is brought into contact with the surface of the base member 10 (Step S 4 in FIG. 1 ).
  • the washing of the surface of the base member 10 may be performed before or after the electroless-plating-catalyst application step (Step S 3 in FIG. 1 ) provided that the washing is performed after the step of heating the surface of the base member 10 or the like (Step S 2 in FIG. 1 ) and before the electroless plating step (Step S 4 in FIG. 1 ).
  • the washing of the surface of the base member 10 is preferably performed before the electroless-plating-catalyst application step.
  • the method of washing the surface of the base member 10 may be any method provided that the denatured matter (modified matter) of the inhibiting layer 11 scattering over the surface of the base member 10 can be removed.
  • the base member 10 irradiated with the laser beam may be immersed in a wash solution in which the denatured matter (modified matter) of the inhibiting layer 11 is dissolvable (immersion method).
  • a pretreatment agent for plating such as a defatting agent, a surface conditioner, and a conditioner; a surfactant solution; an alkaline solution; and the like.
  • the electroless plating catalyst is applied to the surface of the base member 10 irradiated with the laser beam (Step S 3 in FIG. 1 ).
  • Any arbitrary catalyst can be used as the electroless plating catalyst, provided that the catalyst has the ability of the electroless plating catalyst.
  • the electroless plating catalyst containing Pd which has the high catalytic activity.
  • the method for applying the electroless plating catalyst to the surface of the base member 10 is not specifically limited.
  • the electroless plating catalyst may be applied to the surface of the base member 10 , for example, by preparing a catalyst solution in which the electroless plating catalyst is dissolved or dispersed in a solvent, and coating the base member 10 with the catalyst solution or immersing the base member 10 in the catalyst solution.
  • the solvent which is used for the catalyst solution, is not specifically limited, provided that the catalyst can be dissolved or dispersed in the solvent.
  • water alcohol such as methanol, ethanol, propyl alcohol, isopropyl alcohol, and butanol
  • hydrocarbon such as hexane and heptane.
  • the hydrocarbon it is also allowable to use, for example, a commercially available high boiling point solvent (Isopar (product name), produced by Exxon Mobil Corporation).
  • Isopar product name
  • the electroless plating catalyst to be used for the catalyst solution it is preferable to use a palladium complex in view of the high plating catalytic activity.
  • the blending amount (catalyst concentration) of the electroless plating catalyst in the catalyst solution can be, for example, in a range of 0.01 to 5% by weight.
  • Another method for applying the electroless plating catalyst to the surface of the base member 10 is exemplified by a general purpose method in which a commercially-available electroless plating catalyst solution is used, including, for example, a sensitizer-activator method and a catalyzer-accelerator method.
  • the sensitizer-activator method the surface of the base member 10 is firstly treated, for example, with a solution containing Sn 2+ (sensitizer treatment) in order that the electroless plating catalyst easily adsorbs. Subsequently, the base member 10 is immersed in a solution containing the electroless plating catalyst (for example, Pd 2+ ) (activator treatment).
  • the base member 10 is firstly immersed in a solution containing the electroless plating catalyst (for example, a palladium colloid solution obtained by mixing Sn 2+ and Pd 2+ ) (catalyzer treatment). Subsequently, the base member 10 is immersed, for example, in a hydrochloric acid solution to deposit the metal of the plating catalyst on the surface of the base member 10 (accelerator treatment).
  • a solution containing the electroless plating catalyst for example, a palladium colloid solution obtained by mixing Sn 2+ and Pd 2+
  • the electroless plating solution is brought into contact with the surface of the base member 10 (Step S 4 in FIG. 1 ). Accordingly, an electroless plating film 85 can be formed at the heated portion of the surface of the base member 10 , and it is possible to produce a plated part 100 in which the plating film is selectively formed.
  • An arbitrary general-purpose electroless plating solution can be used as the electroless plating solution depending on the object. However, in view of the fact that the catalytic activity is high and the solution is stable, it is preferable to use an electroless nickel phosphorus plating solution, an electroless copper plating solution, and an electroless nickel plating solution.
  • An electroless plating film of a different type may be further formed on the electroless plating film 85 , or an electroplating film may be formed thereon by means of the electroplating.
  • the plating film, which is stacked on the electroless plating film 85 is preferably, for example, an electroless copper plating film, an electroplating copper film, and an electroplating nickel film. Further, the electroplating cannot be performed for an electrically isolated circuit.
  • the total thickness of the plating film on the base member 10 is thickened by means of the electroless plating. Further, in order to improve the solder wettability of the plating film pattern so that it is possible to respond to the solder reflow, it is also appropriate that a plating film of stannum, gold, silver or the like is formed on the outermost surface of the plating film pattern.
  • the inhibiting layer-remaining portion 10 b in which the inhibiting layer 11 remains and the inhibiting layer-removed portion 10 a having the predefined pattern and from which the inhibiting layer 11 is removed by the heating exist on the surface of the base member 10 .
  • the electroless plating catalyst is applied to the surface of the base member 10 and the electroless plating solution is brought into contact therewith.
  • the electroless plating film 85 can be formed at only the inhibiting layer-removed portion 10 a having the predefined pattern.
  • the formation of the plating film is inhibited at portions other than the predefined pattern and the plating film 85 can be formed only at the predefined pattern in accordance with the simple and easy production process with respect to the base member of various materials.
  • the method for producing the plated part according to this embodiment described above uses the amide group/amino group-containing polymer as the catalyst activity inhibitor.
  • the surface of the base member of different types can be coated uniformly with the resin layer of the catalyst activity inhibitor (catalyst activity inhibiting layer), inhibiting the electroless plating reaction at portions at which no plating film formation is desired.
  • the producing method of this embodiment thus has a wide range for selecting the base member.
  • the inhibiting layer having a uniform thickness can be formed on a surface of a base member having a large surface roughness, a surface of a base member having a void, a surface of a foamed molded product having a foam mark on the surface thereof, and the like.
  • any three-dimensional circuit formed product having a shape of any thin-walled sheet and any optical member including, for example, lenses and spectacles, those of which have been hitherto difficult to be produced can be produced in accordance with the simple and easy method.
  • the electroless plating film is formed at the heated portion or the light-irradiated portion of the base member surface, while the generation or formation of the electroless plating film is inhibited on account of the presence of the catalyst activity inhibiting layer at the portions other than the above. Accordingly, in the method for producing the plated part of the present teaching, the generation of the electroless plating film is inhibited at the portions other than the predefined pattern in accordance with the simple and easy production process, and it is possible to form the electroless plating film at only the predefined pattern. Further, in the method of the present teaching, the range of selection of the base member is wide, and it is also possible to reduce the production cost.
  • FIG. 2C shows the plated part 100 produced in this embodiment in which the plating film is selectively formed.
  • the plated part 100 includes the base member 10 , the plating film 85 formed on a part of the surface of the base member 10 , and the catalyst activity inhibiting layer (resin layer) 11 formed in an area, of the surface of the base member, where the plating film 85 is not formed.
  • the plating film 85 may form the predefined pattern on the surface of the base member 10 . In that case, the catalyst activity inhibiting layer (resin layer) 11 is formed on portions, of the surface of the base member 10 , where no predefined pattern exists.
  • the catalyst activity inhibiting layer 11 is a resin layer containing the amide group/amino group-containing polymer.
  • the main component of the inhibiting layer is the amide group/amino group-containing polymer.
  • the inhibiting layer 11 contains, for example, 30 to 100% by weight of the amide group/amino group-containing polymer, preferably 50 to 100% by weight of the amide group/amino group-containing polymer, and more preferably 70 to 100% by weight of the amide group/amino group-containing polymer.
  • the film thickness of the catalyst activity inhibiting layer 11 is preferably equal to or less than 5,000 nm, more preferably equal to or less than 1,000 nm, and more preferably equal to or less than 300 nm.
  • the film thickness of the catalyst activity inhibiting layer 11 is preferably equal to or more than 10 nm, more preferably equal to or more than 30 nm, and further more preferably equal to or more than 50 nm.
  • the plating film 85 having the predefined pattern may have conductivity.
  • the plating film 85 having the predefined pattern functions, for example, as an electrical wiring pattern, an electric circuit, or an antenna pattern
  • the plated part 100 having the plating film 85 with the predefined pattern functions as an electronic part (electronic component) including a circuit part or an antenna.
  • the plating film 85 having the predefined pattern may be formed in a planar form on only one surface of the base member 10 .
  • the plating film 85 having the predefined pattern may be formed three-dimensionally over surfaces of the base member 10 or along a surface of a three-dimensional shape including, for example, a spherical surface.
  • the plating film 85 having the predefined pattern When the plating film 85 having the predefined pattern is formed three-dimensionally over the surfaces of the base member 10 or along the surface of the three-dimensional shape including, for example, the spherical surface, and the plating film 85 having the predefined pattern has the conductivity, then the plating film 85 having the predefined pattern functions as a three-dimensional electric circuit or a three-dimensional antenna, and the plated part 100 having the plating film 85 with the predefined pattern as described above functions as a three-dimensional circuit formed part (MID) or an MID antenna.
  • MID three-dimensional circuit formed part
  • the catalyst activity inhibiting layer 11 exists between adjoining electrical wirings.
  • This catalyst activity inhibiting layer 11 improves the insulating performance between the electrical wirings, raising the wiring density of the electronic part.
  • the electronic part has a problem, called migration, in which metallic ions are discharged from electrical wirings due to voltage application.
  • the catalyst activity inhibiting layer 11 provided between the adjoining electrical wirings traps the metallic ions discharged from the electrical wirings to prevent a short circuit between the wirings.
  • the catalyst activity inhibiting layer 11 which is the insulator provided in an area except for the antenna pattern, improves antenna performance.
  • the plated part 100 produced in this embodiment described above includes the catalyst activity inhibiting layer 11 containing the amide group/amino group-containing polymer.
  • the producing method of this embodiment may further include a step of removing the inhibiting layer 11 from the surface of the base member 10 .
  • the catalyst activity inhibiting layer 11 is removed from the base member 10 after the step of applying the electroless plating catalyst to the surface of the base member 10 (Step S 3 in FIG. 1 ) or after the step of forming the electroless plating film 85 (Step S 4 in FIG. 1 ).
  • the plated part produced in this modified embodiment, which does not include the inhibiting layer 11 is different from the plated part 100 shown in FIG. 2C .
  • the method of removing the inhibiting layer 11 from the base member 10 is exemplified by a method in which the base member 10 is washed with a washing solution so that the amide group/amino group-containing polymer is eluted in the washing solution and thereby the amide group/amino group-containing polymer is removed.
  • the washing solution is not specifically limited, provided that the amide group/amino group-containing polymer is dissolved in the washing solution and the base member 10 is not denatured or modified in quality by the washing solution.
  • the washing solution can be appropriately selected depending on the type of the base member 10 and the type of the amide group/amino group-containing polymer. For example, it is possible to use the same solution (media) as that used for the polymer solution described above.
  • Polymer A represented by a formula (5) is used as the amide group/amino group-containing polymer contained in the catalyst activity inhibiting layer.
  • Polymer D Hyper-branched polymer
  • Polymer A represented by the formula (5) is a polymer represented by the formula (1); in the formula (1), A 1 is a group represented by the formula (2), A 2 is a dithiocarbamate group, R 1 is a single bond, R 2 is hydrogen, and R 3 is an isopropyl group.
  • HYPERTECH HPS-200 produced by NISSAN CHEMICAL CORPORATION; 1.3 g, dithiocarbamate group: 4.9 mmol
  • NIPAM N-isopropyl acrylamide
  • AIBN ⁇ - ⁇ ′-azobisisobutyronitrile
  • THF dehydrated tetrahydrofuran
  • the mixture was cooled with iced water, and was diluted appropriately by THF. Next, the mixture was subjected to re-precipitation in hexane; a solid product obtained thereby was subjected to vacuum drying at 60° C. for one night.
  • the NMR (Nuclear Magnetic Resonance) and IR (InfraRed absorption spectrum) of the generated product were measured. From the results of the measurements, it was confirmed that the amid groups were introduced into the commercially available hyper-branched polymer represented by the formula (8), which in turn generated Polymer A represented by the formula (5). Next, the molecular weight of the generated product was measured by a GPC (Gel Permeation Chromatography).
  • the yield of Polymer A was 92%.
  • a general-purpose injection molding apparatus (J180AD-300H produced by JAPAN STEEL WORKS, LTD.) was used to mold a glass fiber-enhanced polyphenylene sulfide (PPS) (1040G, black color, produced by TEIJIN LIMITED) into a plate-shaped body or member having a size of 4 cm ⁇ 6 cm ⁇ 0.2 cm.
  • PPS polyphenylene sulfide
  • the synthetized Polymer A represented by the formula (5) was dissolved in methylethyl ketone to prepare a polymer solution of which polymer concentration was 0.5% by weight.
  • the molded base member was dipped in the prepared polymer solution at the room temperature for 5 seconds, and then was subjected to drying in a drier at 85° C. for 5 minutes. With this, a catalyst activity inhibiting layer was formed on a surface of the base member.
  • the film thickness of the catalyst activity inhibiting layer was measured by a method as explained below. Firstly, a sample for film thickness measurement, having a resin layer formed thereon under a same condition as that of this experiment, was prepared. A part of the resin layer of the sample for film thickness measurement was damaged by a spatula to allow the base member to be exposed in the damaged part; a laser microscope (VK-9710 produced by KEYENCE CORPORATION) was used to measure the different in height between the surface of the resin layer and the exposed surface of the base member, and the result of the measurement was determined to be the film thickness of the catalyst activity inhibiting layer. The film thickness of the catalyst activity inhibiting layer was approximately 70 nm.
  • a laser drawing apparatus (MD-V9929WA produced by KEYENCE CORPORATION; YVO 4 laser; wavelength: 1064 nm) was used to perform laser drawing for the resin molded product having the catalyst activity inhibiting layer formed thereon, with laser intensity: 80%, drawing velocity: 500 mm/sec and frequency: 50 kHz.
  • the drawn pattern was a pattern in which a plurality of pieces of an area of 5 mm ⁇ 5 cm were aligned at a pitch of 0.1 mm.
  • a commercially available catalytic solution for electroless plating was used to apply an electroless plating catalyst, with a generally known method, to a surface of the molded product having the laser drawing performed thereon.
  • the molded product having the laser drawing performed thereon was immersed in a sensitivity imparting agent at a normal temperature (SENSITIZER produced by OKUNO CHEMICAL INDUSTRIES CO., LTD) and was irradiated with ultrasonic waves for 5 minutes to thereby perform a sensitizing processing; and thus tin colloid was made to adsorb onto the surface of the molded product.
  • the molded product was taken out from the sensitivity imparting agent, and was washed by water sufficiently.
  • the molded product was immersed in a catalyzing treatment agent at a normal temperature (ACTIVATOR produced by OKUNO CHEMICAL INDUSTRIES CO., LTD.), was left to stand for 2 minutes, and thus was subjected to an activator processing so that palladium was made to absorb onto the surface of the molded product. Afterwards, the molded product was taken out from the catalyzing treatment agent, and was washed by water sufficiently.
  • ACTIVATOR produced by OKUNO CHEMICAL INDUSTRIES CO., LTD.
  • the molded product having the electroless plating catalyst applied thereto was immersed in an electroless copper plating solution (OPC-NCA produced by OKUNO CHEMICAL INDUSTRIES CO., LTD.) for 15 minutes to grow an electroless copper plating film on the surface of the molded product such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • OPC-NCA produced by OKUNO CHEMICAL INDUSTRIES CO., LTD.
  • a plated part was produced by a method similar to that in Experiment 1, except that a CO 2 laser drawing apparatus was used in the laser drawing.
  • a resin molded product (PPS) as the base member was molded and a catalyst activity inhibiting layer containing Polymer A was formed on a surface of the base member, by a method similar to that in Experiment 1.
  • a CO 2 laser drawing apparatus (LP-310 produced by PANASONIC CORPORATION; light source: CO 2 ; output of laser oscillating section: 12 W on average; light emission peak wavelength: 10.6 ⁇ m) was used as the laser drawing apparatus so as to perform laser drawing for the resin molded product having the catalyst activity inhibiting layer formed thereon, with laser intensity: 80%, and drawing velocity: 500 mm/sec.
  • the drawn pattern was a pattern similar to that in Experiment 1.
  • a plated part was produced by a method similar to that in Experiment 1, except that an electroless nickel phosphorous plating solution was used as the plating solution.
  • a resin molded product (PPS) was molded and a catalyst activity inhibiting layer containing Polymer A was formed on a surface of the base member, by a method similar to that in Experiment 1.
  • the laser drawing and the application of electroless plating catalyst were performed in this order for the molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the molded product having the electroless plating catalyst applied thereto was immersed in an electroless nickel phosphorous plating solution (SE-666 produced by JAPAN KANIGEN CO., LTD.) for 15 minutes so as to grow an electroless nickel phosphorus plating film to on the surface of the molded product such that the electroless nickel phosphorus plating film had a thickness of 1 ⁇ m.
  • an electroless nickel phosphorous plating solution SE-666 produced by JAPAN KANIGEN CO., LTD.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • a catalyst activity inhibiting layer was formed on a surface of the base member by a method similar to that in Experiment 1, except that Polymer B represented by the formula (6) (poly(N-isopropyl acrylamide) (PNIPAM) produced by FUNAKOSHI CO., LTD.) was used, rather than Polymer A.
  • the polymer B represented by the formula (6) is the polymer represented by the formula (3); in the formula (3), R 4 is a methyl group, and R 5 is an isopropyl group.
  • the thickness of the formed catalyst activity inhibiting layer was measured by a method similar to that in Experiment 1. The thickness of the catalyst activity inhibiting layer was approximately 80 nm.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • a catalyst activity inhibiting layer was formed on a surface of the base member by a method similar to that in Experiment 1, except that Polymer C represented by the formula (7) (PNIPAM, amine terminated, produced by SIGMA-ALDRICH JAPAN CO. LLC.) was used, rather than Polymer A.
  • the polymer C represented by the formula (7) is the polymer represented by the formula (3); in the formula (3), R 4 is a group represented by the formula (4), and R 5 is an isopropyl group.
  • the thickness of the formed catalyst activity inhibiting layer was measured by a method similar to that in Experiment 1. The thickness of the catalyst activity inhibiting layer was approximately 80 nm.
  • Experiment 6 a plated part was produced by a method similar to that in Experiment 1, except that the resin molded product (base member) was washed (cleaned) after the laser drawing.
  • a resin molded product (PPS) was molded as the base member, a catalyst activity inhibiting layer containing Polymer A was formed on a surface of the base member, and the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the resin molded product having the laser drawing performed thereon was immersed in a commercially available pretreatment agent for plating (CONDICLEAN MA produced by OKUNO CHEMICAL INDUSTRIES CO., LTD) at 60° C. for 15 minutes. Afterwards, the resin molded product was washed once with pure water (purified water) at 50° C. and then washed three times with pure water (purified water) at the room temperature. The resin molded product was used for the next step, without being air-dried after the washing.
  • CONDICLEAN MA produced by OKUNO CHEMICAL INDUSTRIES CO., LTD
  • a plated part was produced by a method similar to that in Experiment 1, except that a CO 2 laser drawing apparatus was used in the laser drawing and that washing for the resin molded product (base member) was performed after the laser drawing.
  • a resin molded product (PPS) as the base member was molded and a catalyst activity inhibiting layer containing Polymer A was formed on a surface of the base member, by a method similar to that in Experiment 1.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 2.
  • the washing was performed for the resin molded product, by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order for the molded product after the washing, by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that the washing was performed for a resin molded product (base member) after the laser drawing and that an electroless nickel phosphorous plating solution was used as the plating solution.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer B represented by the formula (6) was used as the polymer contained in the catalyst activity inhibiting layer, and that the washing was performed for a resin molded product (base member) after the laser drawing.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1, and then a catalyst activity inhibiting layer containing Polymer B was formed on a surface of the base member by a method similar to that in Experiment 4.
  • the laser drawing was performed for the resin molded product, having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the washing was performed for the resin molded product, by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer C represented by the formula (7) was used as the polymer contained in the catalyst activity inhibiting layer, and that the washing was performed for a resin molded product (base member) after the laser drawing.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1, and then a catalyst activity inhibiting layer containing Polymer C was formed on a surface of the base member by a method similar to that in Experiment 5.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the washing was performed for the resin molded product, by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer E represented by the formula (9) was used as the polymer contained in the catalyst activity inhibiting layer, and that the washing was performed for a resin molded product (base member) after the laser drawing.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • a catalyst activity inhibiting layer was formed on a surface of the base member by a method similar to that in Experiment 1, except that an amino-ethylated acrylic polymer represented by the formula (9) (Polymer E) (POLYMENT NK-350 produced by NIPPON SHOKUBAI CO., LTD.) was used, rather than Polymer A.
  • the thickness of the formed catalyst activity inhibiting layer was measured by a method similar to that in Experiment 1.
  • the thickness of the catalyst activity inhibiting layer was 80 nm.
  • the laser drawing was performed for the molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1, and then the washing of the resin molded product (base member) was performed by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer B represented by the formula (6) was used as the polymer contained in the catalyst activity inhibiting layer, the CO 2 laser drawing apparatus was used in the laser drawing, and further that the washing was performed for a resin molded product (base member) after the laser drawing.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • Polymer B represented by the formula (6) was used to form a catalyst activity inhibiting layer on a surface of the base member by a method similar to that in Experiment 4.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 2 with the use of the CO 2 laser drawing apparatus.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer C represented by the formula (7) was used as the polymer contained in the catalyst activity inhibiting layer, the CO 2 laser drawing apparatus was used in the laser drawing, and further that the washing was performed for a resin molded product (base member) after the laser drawing.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • Polymer C represented by the formula (7) was used to form a catalyst activity inhibiting layer on a surface of the base member by a method similar to that in Experiment 5.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 2 with the use of the CO 2 laser drawing apparatus.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer E represented by the formula (9) was used as the polymer contained in the catalyst activity inhibiting layer, the CO 2 laser drawing apparatus was used in the laser drawing, and further that the washing was performed for a resin molded product (base member) after the laser drawing.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • Polymer E represented by the formula (9) was used to form a catalyst activity inhibiting layer on a surface of the base member by a method similar to that in Experiment 11.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 2 with the use of the CO 2 laser drawing apparatus.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer B represented by the formula (6) was used as the polymer contained in the catalyst activity inhibiting layer, the washing was performed for a resin molded product (base member) after the laser drawing, and further that an electroless nickel phosphorous plating solution was used as the plating solution.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • Polymer B represented by the formula (6) was used to form a catalyst activity inhibiting layer on a surface of the base member, by a method similar to that in Experiment 4.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst was performed by a method similar to that in Experiment 1, and then the electroless nickel phosphorous plating solution was used to thereby grow an electroless nickel phosphorous plating film on the surface of the molded product such that the electroless nickel phosphorous plating film had a thickness of 1 ⁇ m, by the method similar to that in Experiment 3.
  • the production method as explained above a plated part of Experiment 15 was obtained.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer C represented by the formula (7) was used as the polymer contained in the catalyst activity inhibiting layer, the washing was performed for a resin molded product (base member) after the laser drawing, and further that an electroless nickel phosphorous plating solution was used as the plating solution.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • Polymer C represented by the formula (7) was used to form a catalyst activity inhibiting layer on a surface of the base member by a method similar to that in Experiment 5.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst was performed by a method similar to that in Experiment 1, and then the electroless nickel phosphorous plating solution was used to thereby grow an electroless nickel phosphorous plating film on the surface of the molded product such that the electroless nickel phosphorous plating film had a thickness of 1 ⁇ m, by the method similar to that in Experiment 3.
  • the production method as explained above a plated part of Experiment 16 was obtained.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer E represented by the formula (9) was used as the polymer contained in the catalyst activity inhibiting layer, the washing was performed for a resin molded product (base member) after the laser drawing, and further that an electroless nickel phosphorous plating solution was used as the plating solution.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • Polymer E represented by the formula (9) was used to form a catalyst activity inhibiting layer on a surface of the base member by a method similar to that in Experiment 11.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst was performed by a method similar to that in Experiment 1, and then the electroless nickel phosphorous plating solution was used to thereby grow an electroless nickel phosphorous plating film on the surface of the molded product such that the electroless nickel phosphorous plating film had a thickness of 1 ⁇ m, by a method similar to that in Experiment 3.
  • a plated part of Experiment 17 was obtained.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer F represented by the formula (10) was used as the polymer contained in the catalyst activity inhibiting layer, and the washing was performed for a resin molded product (base member) after the laser drawing.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • a catalyst activity inhibiting layer was formed on a surface of the base member by a method similar to that in Experiment 1, except that polyamide-imide represented by the formula (10) (Polymer F) (produced by TORAY INDUSTRIES, INC.) was used, rather than Polymer A.
  • the thickness of the formed catalyst activity inhibiting layer was measured by a method similar to that in Experiment 1.
  • the thickness of the catalyst activity inhibiting layer was approximately 100 nm.
  • the laser drawing was performed for the molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1, and then the washing of the resin molded product (base member) was performed by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that Polymer F represented by the formula (10) was used as the polymer contained in the catalyst activity inhibiting layer, the washing was performed for a resin molded product (base member) after the laser drawing, and further that an electroless nickel phosphorous plating solution was used as the plating solution.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • Polymer F represented by the formula (10) was used to form a catalyst activity inhibiting layer on a surface of the base member by a method similar to that in Experiment 18.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst was performed by a method similar to that in Experiment 1, and then the electroless nickel phosphorous plating solution was used to grow an electroless nickel phosphorous plating film on the surface of the molded product such that the electroless nickel phosphorous plating film had a thickness of 1 ⁇ m, by the method similar to that in Experiment 3.
  • the production method as explained above a plated part of Experiment 19 was obtained.
  • a plated part was produced by a method similar to that in Experiment 1, except that polyamide molded into a plated shape as a base member was used, and the washing was performed for a resin molded product (base member) after the laser drawing.
  • a catalyst activity inhibiting layer containing Polymer A was formed on a surface of the base member by a method similar to that in Experiment 1.
  • the laser drawing was performed for the molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1, and then the washing of the resin molded product (base member) was performed by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that polyamide molded into a plated shape as a base member was used, and the washing was performed for a resin molded product (base member) after the laser drawing, and further that an electroless nickel phosphorous plating solution was used as the plating solution.
  • a resin molded product (PA) was molded by a method similar to that in Experiment 20.
  • a catalyst activity inhibiting layer containing Polymer A was formed on a surface of the base member by a method similar to that in Experiment 1.
  • the laser drawing was performed for the molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the washing of the resin molded product (base member) was performed by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst was performed by a method similar to that in Experiment 1; and then the electroless nickel phosphorous plating solution was used to thereby grow an electroless nickel phosphorous plating film on the surface of the molded product such that the electroless nickel phosphorous plating film had a thickness of 1 ⁇ m, by a method similar to that in Experiment 3.
  • the production method as explained above a plated part of Experiment 21 was obtained.
  • a plated part was produced by a method similar to that in Experiment 1, except that polyamide molded into a plated shape as a base member was used, and the washing was performed for a resin molded product (base member) after the laser drawing.
  • a catalyst activity inhibiting layer containing Polymer A was formed on a surface of the base member by a method similar to that in Experiment 1.
  • the laser drawing was performed for the molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1, and then the washing of the resin molded product (base member) was performed by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that polyamide molded into a plated shape as a base member was used, and the washing was performed for a resin molded product (base member) after the laser drawing, and further that an electroless nickel phosphorous plating solution was used as the plating solution.
  • a resin molded product (PA) was molded by a method similar to that in Experiment 22.
  • a catalyst activity inhibiting layer containing Polymer A was formed on a surface of the base member by a method similar to that in Experiment 1.
  • the laser drawing was performed for the resin molded product having the catalyst activity inhibiting layer formed thereon, by a method similar to that in Experiment 1.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst was performed by a method similar to that in Experiment 1, and then the electroless nickel phosphorous plating solution was used to thereby grow an electroless nickel phosphorous plating film on the surface of the molded product such that the electroless nickel phosphorous plating film had a thickness of 1 ⁇ m, by the production method similar to that in Experiment 3.
  • the production method similar to that in Experiment 3.
  • a plated part was produced by a method similar to that in Experiment 1, except that a resin layer containing Polymer D represented by the formula (8), rather than the catalyst activity inhibiting layer, was formed on a base member, and that the washing was performed for a resin molded product (base member) after the laser drawing.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • a resin layer was formed on a surface of the base member by a method similar to that in Experiment 1, except that a hyper-branched polymer (HYPERTECH HPS-200 produced by NISSAN CHEMICAL CORPORATION) was used, rather than Polymer A.
  • the thickness of the formed resin layer was measured by a method similar to that in Experiment 1. The thickness of the resin layer was 80 nm.
  • the laser drawing was performed for the molded product having the resin layer formed thereon, by a method similar to that in Experiment 1, and then the washing of the resin molded product (base member) was performed by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order by a method similar to that in Experiment 1.
  • an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part was produced by a method similar to that in Experiment 1, except that a resin layer containing Polymer D represented by the formula (8), rather than the catalyst activity inhibiting layer, was formed on a base member, that a CO 2 laser drawing apparatus was used in the laser drawing, and further that washing for the resin molded product (base member) was performed after the laser drawing.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • Polymer D represented by the formula (8) was used to form a resin layer on a surface of the base member, by a method similar to that in Experiment 24.
  • the laser drawing was performed for the resin molded product having the resin layer formed thereon, by a method similar to that in Experiment 2 with the use of the CO 2 laser drawing apparatus.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • the application of electroless plating catalyst and the electroless plating were performed in this order for the base member after the washing, by a method similar to that in Experiment 1. With this, an electroless copper plating film was grown on the surface of the base member such that the electroless copper plating film had a thickness of 1 ⁇ m.
  • a plated part of Experiment 25 was obtained.
  • a plated part was produced by a method similar to that in Experiment 1, except that a resin layer containing Polymer D represented by the formula (8), rather than the catalyst activity inhibiting layer, was formed on a base member, that washing for the resin molded product (base member) was performed after the laser drawing, and further that an electroless nickel phosphorous plating solution was used as the plating solution.
  • a resin molded product (PPS) was molded by a method similar to that in Experiment 1.
  • Polymer D represented by the formula (8) was used to form a resin layer on a surface of the base member, by a method similar to that in Experiment 24.
  • the laser drawing was performed for the resin molded product having the resin layer formed thereon, by a method similar to that in Experiment 1.
  • the washing was performed for the resin molded product (base member), by a method similar to that in Experiment 6.
  • electroless plating catalyst was performed for the molded product after the washing, by a method similar to that in Experiment 1, and then the electroless nickel phosphorous plating solution was used to thereby grow an electroless nickel phosphorous plating film on the surface of the molded product such that the electroless nickel phosphorous plating film had a thickness of 1 ⁇ m, by the method similar to that in Experiment 3.
  • a plated part of Experiment 26 was obtained.
  • the plating film is grown in a laser drawing portion.
  • the plating film is not grown in a laser drawing portion.
  • the plating film is grown only in a laser drawing portion.
  • the plating film is grown partially also in a portion different from the laser drawing portion.
  • the plating film is grown in the entirety of the base material.
  • the plated parts each produced by using one of Polymers A to C, E and F having at least one of amide group and amino group were satisfactory in both of the plating precipitation property and the plating selectivity of the electroless copper plating (overall evaluation: ++, +, ⁇ ). It is presumed that, in the laser drawing portion, the electroless copper plating film was grown since the catalyst activity inhibiting layer was removed; whereas in a portion different from the laser drawing portion, the growth of the electroless copper plating was inhibited (suppressed) due to the presence of the catalyst activity inhibiting layer. From the results, it was appreciated that Polymers A to C, E and F function as the catalyst activity inhibiting agent. It is presumed that the amide group and/or amino group contained in Polymers A to C, E and F inhibited the catalytic activity of the electroless plating catalyst.
  • the plated parts produced by using Polymers A to C each of which is the branched polymer having the amide group in the side chain were particularly satisfactory in the plating selectivity of the electroless copper plating (the result of overall evaluation: ++ or +) as compared with the plated parts produced by using Polymers E and F.
  • Polymer E is a branched polymer having the amino group
  • Polymer F is a polymer having the amide group in the straight chain. From this result, it is assumed that Polymers A to C each of which is the branched polymer having the amide group in the side chain is highly effective in inhibiting the catalytic activity of the electroless plating catalyst.
  • the plated parts produced by using Polymer A which is the hyper-branched polymer also had an excellent plating selectivity of the electroless nickel phosphorous plating, in addition to that of the electroless copper plating (result of the overall evaluation: ++).
  • the electroless nickel phosphorous plating solution contains the reducing agent in the content amount greater than that of the electroless copper plating solution. Accordingly, the electroless plating reaction easily progresses in the electroless nickel phosphorous plating, as compared with the electroless copper plating.
  • Polymer A functioned sufficiently as the catalyst activity inhibiting agent which inhibits the catalytic activity of the electroless plating catalyst. The reason for this is presumed as follows.
  • Polymer A since Polymer A has many side chains which are highly flexible, Polymer A is easily adsorbed to palladium (Pd) as the electroless plating catalyst and functions as the polydentate ligand, thereby forming a firm chelate structure with the electroless plating catalyst (palladium ion). With this, also in the electroless nickel phosphorous plating solution containing the large amount of the reducing agent, the reduction of the palladium ion is suppressed (inhibited), which results in the suppression (inhibition) of the formation of electroless plating film.
  • palladium palladium
  • the electroless nickel phosphorous plating solution containing the large amount of the reducing agent the reduction of the palladium ion is suppressed (inhibited), which results in the suppression (inhibition) of the formation of electroless plating film.
  • the plating film was grown in the entirety of the base member both in the cases of the electroless copper plating and the electroless nickel phosphorus plating, and was not capable of selectively forming the plating film (plating precipitation property: +, plating selectivity: ⁇ , overall evaluation: ⁇ ). From this result, it is appreciated that Polymer D does not function as the catalytic activity inhibiting agent.
  • Polymer D is the hyper-branched polymer having a group containing sulfur (dithiocarbamate group). The dithiocarbamate group is considered as having a tendency to adsorb the electroless plating catalyst thereto.
  • Polymer D which does not have the amide group and/or the amino group cannot trap the electroless plating catalyst firmly, Polymer D did not function as the catalytic activity inhibiting agent.
  • Experiments 1 to 5 were conducted under conditions similar to those of Experiments 6 to 10, respectively, except that the washing of the substrate (base member) was not performed after the irradiation with laser beam.
  • the results of evaluation of plating selectivity in Experiments 1 to 5 are inferior, to some extent, to the results of evaluation of plating selectivity in Experiments 6 to 10. From this result, it is presumed that the plating selectivity is improved by the washing of the substrate (base member) which is performed after the irradiation with laser beam.
  • Experiments 20 to 22 were conducted under conditions similar to those of Experiment 6, except that the resin molded product of polyamide was used; Experiments 21 and 23 were conducted under conditions similar to those of Experiment 8, except that the resin molded product of polyamide was used.
  • the result of evaluation of the plating selectivity in Experiments 20 to 23 were excellent similarly to the result of evaluation of the plating selectivity in Experiments 6 and 8. From this result, it was confirmed that the selective plating can be realized also by using the resin molded product of polyamide.
  • the method of producing plating part of the present teaching it is possible to form a plating film only in a predefined pattern, while suppressing any formation of the plating film in a part or portion (location) different from the predefined pattern, by a simple producing process with respect to base members of a variety of kinds of materials. Accordingly, the present teaching is applicable to production of an electric part having an electric circuit, a three-dimensional circuit (Molded Interconnect Device: MID), etc.
  • MID Three-dimensional circuit

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